Merge pull request #691 from jordandukart/7.x-ISLANDORA-2084

Handle redirects in a proper way.

includes/datastream.inc

@@ -86,6 +86,11 @@ function islandora_view_datastream(AbstractDatastream $datastream, $download = F
     // to receive content for playback.
     $chunk_headers = FALSE;
     if (isset($_SERVER['HTTP_RANGE'])) {
+      // XXX: Can't make assertions on byte ranging of redirect datastreams.
+      // @see https://jira.duraspace.org/browse/ISLANDORA-2084.
+      if (!$download && $datastream->controlGroup == 'R') {
+        drupal_goto($datastream->url);
+      }
       // Set headers specific to chunking.
       $chunk_headers = islandora_view_datastream_set_chunk_headers($datastream);
     }